In creating the interior design of the living room, many people accept the idea of large sofas as a permanent part of the furniture of this room. How big can a sofa be? The truth is that most of these types of furniture can be built with new and newer modules, which makes them really spacious places to relax. We should not forget about the useful amount of storage under the seats, as well as the possibility of converting into a sleeping area, which turns large sofas into multifunctional and comfortable furniture, for which the only condition is to have enough space. And their convenience is undeniable.